Knoxville Weather Forecast

    • 58
    • 79

    Chance Thunderstorms

    • 56
    • 81

    Mostly Sunny

    • 60
    • 84

    Partly Sunny

    • 64
    • 84

    Rain Showers Likely

    • 63
    • 82

    Rain Showers Likely

    • 59
    • 83

    Chance Thunderstorms

    • 55
    • 79

    Slight Chance Rain Showers

Today 23 May Knox

Partly sunny with a slight chance of Showers and Thunderstorms. Near steady temperature in the upper 70s. Southwest Winds around 5 Mph. Chance of rain 20 percent.

Tonight 23 May Knox

Mostly cloudy with a chance of Showers. A chance of Thunderstorms, mainly this evening. Lows in the upper 50s. West Winds 5 to 10 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Knoxville Temperature Statistics

May Temperature

Galesburg Municipal Airport (7.5 miles)

  • Lowest 7 May, 2026

    32.7 °F

  • Average May

    58.7 °F

  • Highest 17 May, 2026

    84.4 °F

Climate (2021–Present)

Galesburg Municipal Airport (7.5 miles)

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  • Average Low 2021–2026

    41.6 °F

  • Average 2021–2026

    52 °F

  • Average High 2021–2026

    62.4 °F
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